3″ 200 Cell Sports Cat Downpipe – BMW 1 Series F20 F21 M135i M135ix 11-16

Gravity Performance sports cats are made to completely replace the stock catalytic converter reducing any restrictions. Our Performance sports cats improve throttle response and allow for improved exhaust flow, increasing power and torque. Manufactured from highest quality T304 grade stainless steel Supplied with lambda spacer for easier fitment Non type approved 200cpi sports cat built in Designed to be a direct fit for the BMW's OEM system Reduces turbo lag and increases power capabilities   This is a non type approved CAT and as such will not pass an MOT so is sold for off road use only.